meta_context_sem Class Reference

#include <sem.h>

Inheritance diagram for meta_context_sem:

Data Structures
struct	sem_ty
Public Member Functions
virtual	~meta_context_sem ()
	meta_context_sem ()
void *	parse (const nstring &filename, meta_type *type)
void *	parse_env (const nstring &name, meta_type *type)
void *	parse_input (input &ifp, meta_type *type)
Protected Member Functions
void	integer (long n)
void	real (double n)
void	string (const nstring &s)
void	enumeration (const nstring &s)
void	list ()
void	list_end ()
void	field (const nstring &name)
void	field_end ()
void	end ()
Private Member Functions
void	sem_push (meta_type *type, void *addr)
void	sem_pop ()
	meta_context_sem (const meta_context_sem &)
meta_context_sem &	operator= (const meta_context_sem &)
Private Attributes
sem_ty *	root

---

Detailed Description

The meta_context_sem class is used to represent the processig required to parse an Aegis meta-data file, using the original style of meta-data handling.

Definition at line 32 of file sem.h.

---

Constructor & Destructor Documentation

virtual meta_context_sem::~meta_context_sem

(

)

[virtual]

The destructor.

meta_context_sem::meta_context_sem

(

)

The default constructor.

meta_context_sem::meta_context_sem

(

const meta_context_sem &

)

[private]

The copy constructor. Do not use.

---

Member Function Documentation

void meta_context_sem::end

(

)

[protected, virtual]

The end method is called at the end of input.

Implements meta_context.

void meta_context_sem::enumeration

(

const nstring &

s

)

[protected, virtual]

The enumeration method is called when the parser sees a name in an enumeration tag place.

Parameters:

s	The name of the enumerand.

Implements meta_context.

void meta_context_sem::field

(

const nstring &

name

)

[protected, virtual]

The field method is called when the parser sees the start of a name=value field. The field_end method will be called after the value has been parsed.

Parameters:

name	The nam eof the field.

Implements meta_context.

void meta_context_sem::field_end

(

)

[protected, virtual]

The field_end method is called by the parser when it sees the end of a name=value field.

Implements meta_context.

void meta_context_sem::integer

(

long

n

)

[protected, virtual]

The integer method is called by the parser when an integer value is seen.

Parameters:

n	The value of the number.

Implements meta_context.

void meta_context_sem::list

(

)

[protected, virtual]

The list method is called when the parser sees the start of a list value. The pop method will be called after the value has been parsed.

Implements meta_context.

void meta_context_sem::list_end

(

)

[protected, virtual]

The list_end method is called by the parser when it sees the end of a list element.

Implements meta_context.

meta_context_sem& meta_context_sem::operator=

(

const meta_context_sem &

)

[private]

The assignment operator. Do not use.

void* meta_context_sem::parse	(	const nstring &	filename,
		meta_type *	type
	)

The parse method is used to parse a file against the supplied meta-data type.

Parameters:

filename	The name of the file to be parsed.
type	The type of data expected.

void* meta_context_sem::parse_env	(	const nstring &	name,
		meta_type *	type
	)

The parse_env method is used to parse an environment variable against the supplied meta-data type.

Parameters:

name	The name of the environment variable to be parsed.
type	The type of data expected.

void* meta_context_sem::parse_input	(	input &	ifp,
		meta_type *	type
	)

The parse_input method is used to parse the given input against the supplied meta-data type.

Parameters:

ifp	The input stream to be parsed.
type	The type of data expected.

void meta_context_sem::real

(

double

n

)

[protected, virtual]

The real method is called by the parser when a floating point value is seen.

Parameters:

n	The value of the number.

Implements meta_context.

void meta_context_sem::sem_pop

(

)

[private]

The sem_pop method is used to pop the top entry from the stack of types being parsed.

void meta_context_sem::sem_push	(	meta_type *	type,
		void *	addr
	)		[private]

The sem_push method is used to push another entry onto the stack of types being parsed.

Parameters:

type	The type of data being parsed.
addr	The address of the data being parsed.

void meta_context_sem::string

(

const nstring &

s

)

[protected, virtual]

The string method is called by the parser when a string value is seen.

Parameters:

s	The value of the string constant.

Implements meta_context.

---

Field Documentation

sem_ty* meta_context_sem::root [private]

The root instance variable is used to remember the top of the linked list, describing the push-down stack of types being parsed.

Definition at line 120 of file sem.h.

---

The documentation for this class was generated from the following file:

• /home/archives/aegis/branch.4/branch.25/delta28933.505/libaegis/meta_context/sem.h